2020Final results
2020 election for U.S. Senate in Montana
U.S. Senate · Montana
Steve Daines (R) won with 55.0% of the vote, defeating Steve Bullock (D) by 10.0 points.
Steve DainesRepublican · winner
55.0%333,174
Steve BullockDemocrat
45.0%272,463
605,637 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Steve BullockSteve Daines
$49.5M
Raised by the campaign
$31.9M
$48.6M
Spent by the campaign
$33.2M
$949.4K
Cash on hand
$107.8K
Campaign money: FEC, through Dec 31, 2020.
Source: FEC campaign filingsUpdated Dec 31, 2020